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Old 01-26-2014, 08:26 PM
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Default Best 2nd-gen F-body D-port headers?

I have a friend with a '77 T/A, 6X heads, and some nasty old 3-tube headers.

I have him interested in installing some good 4-tubes. My dilemma is that I haven't bought a set of headers for a 2nd gen F-body since the 1990's!

What are the best options? Something about 1.75" primary is plenty for him. Doug's? Are Tribal Tubes available??

Thanks,
Lee

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'73 T/A (clone). Low budget stock headed 8.3:1 455, 222/242 116lsa .443/.435 cam. FAST Sportsman EFI, 315rwhp/385rwtq on 87 octane. 13.12 @103.2, 1.91 60'.

'67 Firebird [sold], ; 11.27 @ 119.61, 7.167 @ 96.07, with UD 280/280 (108LSA/ 109 ICL)solid cam. [1.537, 7.233 @93.61, 11.46 @ 115.4 w/ old UD 288/296 108 hydraulic cam] Feb '05 HPP, home-ported "16" D-ports, dished pistons (pump gas only), 3.42 gears, 275/60 DR's, 750DP, T2, full exhaust

My webpage http://lnlpd.com/home
  #2  
Old 01-26-2014, 09:03 PM
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you forgot to mention what power level it is for?
Hedman 28150 is a good install as well if 4spd car.

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Old 01-26-2014, 09:09 PM
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Automatic, mild 455/6x/mild HR, pure street. This guy has owned the car since '78 and it has NEVER been to the track.

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'73 T/A (clone). Low budget stock headed 8.3:1 455, 222/242 116lsa .443/.435 cam. FAST Sportsman EFI, 315rwhp/385rwtq on 87 octane. 13.12 @103.2, 1.91 60'.

'67 Firebird [sold], ; 11.27 @ 119.61, 7.167 @ 96.07, with UD 280/280 (108LSA/ 109 ICL)solid cam. [1.537, 7.233 @93.61, 11.46 @ 115.4 w/ old UD 288/296 108 hydraulic cam] Feb '05 HPP, home-ported "16" D-ports, dished pistons (pump gas only), 3.42 gears, 275/60 DR's, 750DP, T2, full exhaust

My webpage http://lnlpd.com/home
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Old 01-26-2014, 09:47 PM
7t8ta 7t8ta is offline
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I'd just go with the RARE RM-2-OS factory headers. It's an easy fit and they work really well. If not Doug's seem to be a good way to go I know a lot of guys use them.
Good luck

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Old 01-26-2014, 10:55 PM
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I've used Dougs and Tribals and like both. Have not used the Hedmans..

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Old 01-26-2014, 11:16 PM
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when measuring the overall 'drop' the tribal tubes were 3.5" inches shorter than my hookers IIRC I cant say how much additional ground clearance i'll gain as I don't have the tribal tubes installed yet

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Old 01-27-2014, 07:22 AM
Don 79 TA Don 79 TA is offline
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the doug's headers are VERY nice
i put the on when i had the ED-heads on
fit was perfect
just get some ARP 5/16 header bolts, or studs
makes the install so much easier

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Old 01-27-2014, 07:56 AM
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Hedman 28150's fit well on mine no issues

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Old 01-27-2014, 09:12 AM
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Lee, I have recommended and use the Hedman #28150, 1.75" x 3".
Use the composite header gaasket from Fel-pro 1423 (or maybe 1424) either one is for a D-port.
They have good ground clearance and fit well, even on a lowered car like mine.
Looking underneath and across the bottom of the chassis, the lower tubes hang just below the frame rails.

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Old 01-27-2014, 11:27 AM
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Quote:
Originally Posted by Larry Navarro View Post
Lee, I have recommended and use the Hedman #28150, 1.75" x 3".
Use the composite header gaasket from Fel-pro 1423 (or maybe 1424) either one is for a D-port.
They have good ground clearance and fit well, even on a lowered car like mine.
Looking underneath and across the bottom of the chassis, the lower tubes hang just below the frame rails.

X 2 on all of the above.

I even put a set on the wife's 79 T/A way back from stock manifolds/pipes to headers without raising the engine. Installed from underneath. Just dropped the starter and oil filter housing and they bolted right up.

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Old 01-27-2014, 10:35 AM
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Thanks for suggestions guys!

Good to hear that Hedman is now making a good product for these cars. I looked at a set back in the early 90's, and the flange openings weren't even shaped liked the Pontiac ports! But I recently bought some Hedmans for an LS-swap project, and they are gorgeous headers!

I've got an offer on an old set of Hookers - never used. Those will be a serious consideration.

Larry, thanks for sending Steve H. my way, he's a very nice guy and I enjoyed working with him. He has the 2.5" RARE's on his '79 400/4spd. S/E. Even though he only has about 8.3CR, we were able to get 314rwhp out of it! With the low CR and RARE's, I wasn't expecting it to go higher than maybe 280.

I'll discuss the options/costs with the owner, thanks again.

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'73 T/A (clone). Low budget stock headed 8.3:1 455, 222/242 116lsa .443/.435 cam. FAST Sportsman EFI, 315rwhp/385rwtq on 87 octane. 13.12 @103.2, 1.91 60'.

'67 Firebird [sold], ; 11.27 @ 119.61, 7.167 @ 96.07, with UD 280/280 (108LSA/ 109 ICL)solid cam. [1.537, 7.233 @93.61, 11.46 @ 115.4 w/ old UD 288/296 108 hydraulic cam] Feb '05 HPP, home-ported "16" D-ports, dished pistons (pump gas only), 3.42 gears, 275/60 DR's, 750DP, T2, full exhaust

My webpage http://lnlpd.com/home
  #12  
Old 01-27-2014, 12:14 PM
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NEVER MIND....

For the moment, the guy has decided that he is happy with how his car runs with the 3-tubes.

"you can lead them to the water, but...."

Thanks for the offers and the info, maybe this thread will help someone else in the near future.

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'73 T/A (clone). Low budget stock headed 8.3:1 455, 222/242 116lsa .443/.435 cam. FAST Sportsman EFI, 315rwhp/385rwtq on 87 octane. 13.12 @103.2, 1.91 60'.

'67 Firebird [sold], ; 11.27 @ 119.61, 7.167 @ 96.07, with UD 280/280 (108LSA/ 109 ICL)solid cam. [1.537, 7.233 @93.61, 11.46 @ 115.4 w/ old UD 288/296 108 hydraulic cam] Feb '05 HPP, home-ported "16" D-ports, dished pistons (pump gas only), 3.42 gears, 275/60 DR's, 750DP, T2, full exhaust

My webpage http://lnlpd.com/home
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